Finding the Fourth Proportional to 2,068.38, 2,854.38 and 1,136.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.38 : 2,854.38 = 1,136.88 : x
2. Step 2: Convert to fraction form
   2,068.38/2,854.38 = 1,136.88/x
3. Step 3: Cross multiply
   2,068.38x = 2,854.38 × 1,136.88
4. Step 4: Simplify right side
   2,068.38x = 3,245,087.53
5. Step 5: Solve for x
   x = 3,245,087.53/2,068.38
6. Step 6: Final answer
   x = 1,568.90